Images 22.08.2026 · Istanbul University Observatory Solar Observations

Solar Images Saturday, 22 August 2026

‹ 21.08.2026 2026 23.08.2026 ›

Photosphere sunspot drawing and RDS evaluation

High-resolution scan (3230 px)

Time: 08:07 UT
Observer: Melike ERYILMAZ
g: 3
f: 12
R: 42
Seeing: 3 / 5

Sunspot groups and observation details →

Sunspot groups (from the drawing)

Group 1 · DSI – 9

Group 2 · HS_ – 2

Group 3 · AX_ – 1

RDS data file (.gzd)

[Gözlem]
Tarih=22.08.2026
Saat=08:07
Gözlemci=Melike ERYILMAZ
KontrolEden=Burçin TANIK
Durumaçısı=18.32
Enlemaçısı=6.94
Boylamaçısı=98.11
Boylamfark=2
GKalite=3
GDurum=K.T
Kuzeyaçısı=-0.5
Sırano=20547
AyRasatNo=20
RasatÖnceki=21.08.2026
RasatSonraki=23.08.2026

[Leke Grupları]
Grupsayısı=3:2:1
LekeSayısı=12:11:1
RölatifSayı=42:31:11
01=DSI 09 +04.918 -45.280 052.830 +0.000 0000 0 +06.376 -41.637 +03.460 -48.923 +04.918 -41.837 +04.918 -48.723
02=HS_ 02 +05.882 -53.389 044.721 +0.000 0000 0 +07.481 -51.606 +04.283 -55.172 +05.882 -52.106 +05.882 -54.672
03=AX_ 01 -06.703 -60.428 037.682 -1.000 0000 0 -06.703 -60.428 -06.703 -60.428

20260822.gzd

Chromosphere (H-α) FITS frames

No chromosphere observation for this day.

Coronado H-α animations from frame sequences

No Coronado observation for this day.